The lightweight powerful way to drill into any form of stone masonry and concrete without breaking a sweat the lightweight tool uses a long life fast charging lithium ion battery with no memory effect meaning you can charge over and over again without losing power the drill also works great for wood metal or simply use it as a screwdriver when needed features 18 volt li ion battery 13 ah 230 volt quick charger 1 hour max drilling capacity 20 mm in wood 8 mm in concrete